Home / 5,314.37-7,971.08-1,617.41

Finding the Fourth Proportional to 5,314.37, 7,971.08 and 1,617.41

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Solution

The fourth proportional to 5,314.37, 7,971.08 and 1,617.41 is: 2,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.37 : 7,971.08 = 1,617.41 : x
  2. Step 2: Convert to fraction form
    5,314.37/7,971.08 = 1,617.41/x
  3. Step 3: Cross multiply
    5,314.37x = 7,971.08 × 1,617.41
  4. Step 4: Simplify right side
    5,314.37x = 12,892,516.34
  5. Step 5: Solve for x
    x = 12,892,516.34/5,314.37
  6. Step 6: Final answer
    x = 2,425.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.